| diligently(adverb, vigorously, earnestly, actively, hastily) |
| feverishly(adverb, excitedly) |
| heartily(adverb, tenaciously) |
| indefatigably(adverb, vigorously, earnestly, actively, hastily) |
| industriously(adverb, vigorously, earnestly, actively, hastily) |
| intently(adverb, seriously, vigorously, earnestly, actively) |
| keenly(adverb, eagerly, passionately, enthusiastically, energetically) |
| persistently(adverb, vigorously, earnestly, actively, hastily) |
| actively(adverb, seriously, vigorously, earnestly, heartily) |
| anxiously(adverb, earnestly, promptly, enthusiastically, energetically) |
| cordially |
| devoutly |
| doggedly(adverb, tenaciously) |
| exuberantly(adverb, vigorously) |
| fanatically(adverb, enthusiastically) |
| kindly(passionately, lovingly, caringly, expressively, emotionally) |
| madly |
| powerfully(adverb, vigorously) |
| strenuously(vigorously, earnestly, hastily, carefully, eagerly) |
| strongly(adverb, vigorously, tenaciously) |